Move the offline URL trimming to GetFormattedURL.

ios/chrome/browser/ui/toolbar/toolbar_model_impl_ios.h

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef IOS_CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_MODEL_IMPL_IOS_H_
 #define IOS_CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_MODEL_IMPL_IOS_H_
 
 #import <UIKit/UIKit.h>
 
 #include <memory>
 
 #include "ios/chrome/browser/ui/toolbar/toolbar_model_delegate_ios.h"
 #include "ios/chrome/browser/ui/toolbar/toolbar_model_ios.h"
 
 class ToolbarModelImplIOS : public ToolbarModelIOS {
  public:
   explicit ToolbarModelImplIOS(ToolbarModelDelegateIOS* delegate);
   ~ToolbarModelImplIOS() override;
 
   // ToolbarModelIOS implementation:
-  ToolbarModel* GetToolbarModel() override;
   bool IsLoading() override;
   CGFloat GetLoadProgressFraction() override;
   bool CanGoBack() override;
   bool CanGoForward() override;
   bool IsCurrentTabNativePage() override;
   bool IsCurrentTabBookmarked() override;
   bool IsCurrentTabBookmarkedByUser() override;
   bool ShouldDisplayHintText() override;
 
  private:
+  // ToolbarModel:
+  base::string16 GetFormattedURL(size_t* prefix_end) const override;
+  GURL GetURL() const override;
+  security_state::SecurityLevel GetSecurityLevel(
+      bool ignore_editing) const override;
+  gfx::VectorIconId GetVectorIcon() const override;
+  base::string16 GetSecureVerboseText() const override;
+  base::string16 GetEVCertName() const override;
+  bool ShouldDisplayURL() const override;
+
+ private:
   ToolbarModelDelegateIOS* delegate_;
   std::unique_ptr<ToolbarModel> toolbar_model_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(ToolbarModelImplIOS);
 };
 
 #endif  // IOS_CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_MODEL_IMPL_IOS_H_